97955903 has 2 divisors, whose sum is σ = 97955904. Its totient is φ = 97955902.

The previous prime is 97955899. The next prime is 97955917. The reversal of 97955903 is 30955979.

97955903 is nontrivially palindromic in base 15.

It is a weak prime.

It is an emirp because it is prime and its reverse (30955979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97955903 - 2² = 97955899 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97955953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48977951 + 48977952.

It is an arithmetic number, because the mean of its divisors is an integer number (48977952).

Almost surely, 2^97955903 is an apocalyptic number.

97955903 is a deficient number, since it is larger than the sum of its proper divisors (1).

97955903 is an equidigital number, since it uses as much as digits as its factorization.

97955903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 382725, while the sum is 47.

The square root of 97955903 is about 9897.2674511706. The cubic root of 97955903 is about 460.9744669913.

The spelling of 97955903 in words is "ninety-seven million, nine hundred fifty-five thousand, nine hundred three".